Home / 127,638.38-191,545.05-44,532.38

Finding the Fourth Proportional to 127,638.38, 191,545.05 and 44,532.38

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Solution

The fourth proportional to 127,638.38, 191,545.05 and 44,532.38 is: 66,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,638.38 : 191,545.05 = 44,532.38 : x
  2. Step 2: Convert to fraction form
    127,638.38/191,545.05 = 44,532.38/x
  3. Step 3: Cross multiply
    127,638.38x = 191,545.05 × 44,532.38
  4. Step 4: Simplify right side
    127,638.38x = 8,529,955,995.99
  5. Step 5: Solve for x
    x = 8,529,955,995.99/127,638.38
  6. Step 6: Final answer
    x = 66,829.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.